14203-67-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 14203-67-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,4,2,0 and 3 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 14203-67:
(7*1)+(6*4)+(5*2)+(4*0)+(3*3)+(2*6)+(1*7)=69
69 % 10 = 9
So 14203-67-9 is a valid CAS Registry Number.